Cat Drooling After Fight. To put your mind at ease, here are the six most common reasons why your cat is suddenly drooling when nothing is wrong with them. If the drooling is associated with ingesting a small amount of cat flea treatment and the cat appears otherwise well, offer a drink of something tasty such.

You might notice that your cat drools more while he’s in the car or on. Dental issues like tooth decay, mouth ulcers, and gum disease are common. Ingestion of topical cat flea treatment.